ZHCSJW0D
June 2019 – March 2020
TPS62840
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用
效率与负载电流间的关系 (VOUT = 1.8V)
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Smart Enable and Shutdown
8.3.2
Soft Start
8.3.3
Mode Selection: Power-Save Mode (PFM/PWM) or Forced PWM Operation (FPWM)
8.3.4
Output Voltage Selection (VSET)
8.3.5
Undervoltage Lockout UVLO
8.3.6
Switch Current Limit / Short Circuit Protection
8.3.7
Output Voltage Discharge
8.3.8
Thermal Shutdown
8.3.9
STOP Mode
8.4
Device Functional Modes
8.4.1
Power-Save Mode Operation
8.4.2
Forced PWM Mode Operation
8.4.3
100% Mode Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Output Capacitor Selection
9.2.2.3
Input Capacitor Selection
9.2.3
Application Curves
9.3
System Example
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
第三方产品免责声明
12.2
保障资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DGR|8
MPSS122
DLC|8
MPSS103A
YBG|6
MXBG419
散热焊盘机械数据 (封装 | 引脚)
DLC|8
QFND578
订购信息
zhcsjw0d_oa
zhcsjw0d_pm
1
特性
60nA 工作静态电流
100% 占空比模式下,I
Q
为 120nA
输入电压范围 V
IN
:1.8V 至 6.5V
高达 750mA 的输出电流
射频友好型 DCS-Control™
1µA I
OUT
(3.6V
IN
至 1.8V
OUT
)时的效率为 80%
通过 VSET 引脚提供 16 种可选输出电压
自动转换 PFM/PWM 或强制 PWM 模式
可选的强制 PWM 和 STOP 模式
输出放电功能
25nA 关断电流
SON-8、WCSP-6 和热增强型 HVSSOP-8